aipovsáridoWhich spelling fits?

Quick tell: aipo is a noun, árido is an adjective, so they fill different roles in a sentence.

Which to use

“aipo” is a noun and “árido” is an adjective - they look or sound alike but fill different roles in a sentence.

#44,191
“aipo” frequency rank
#25,518
“árido” frequency rank
69709
confusion score

Side-by-Side Comparison

Feature aipo árido
Definition planta herbácea odorífena da família das Umbelíferas cultivada para fins culinários; seu nome científico é Apium graveolens sem umidade

Where the eye mixes aipo and árido

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. aipo runs 4 letters (VVCV) against árido's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
aipo
5 ch
árido

Visual trap between aipo and árido

These two trip readers on the page rather than in the ear: aipo is /ˈaj.pu/ while árido is /ˈa.ɾi.du/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 69709, derived from the frequency rank of both members and their visual similarity.

aipo is recorded at frequency rank #44,191, classified as anoun, pronounced /ˈaj.pu/. árido is at rank #25,518, tagged as anadj, pronounced /ˈa.ɾi.du/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 69709, this pair ranks #3,868 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of aipo vs árido

Shared letters: io. Private to "aipo": ap. Private to "árido": drá.

"aipo" · 4 letters · shape VVCV  ·  "árido" · 5 letters · shape VCVCV

Known mistypes of this pair

  • aipo ← aiop · aippo · apio · iapo

Frequently Asked Questions

Is swapping "aipo" for "árido" ever safe?
No - they are not even the same part of speech. "aipo" is a noun and "árido" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aipo" vs "árido" - which ranks higher?
"árido" is the more common of the two: it sits at frequency rank #25,518 in our Portuguese list, against #44,191 for "aipo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "aipo" and "árido" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aipo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "árido" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,868 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aipo" and "árido" also get mixed up with nearby pairs, the highest-scored neighbour is "aipo vs apo". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #3,868 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list